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Federal Register #Investigation No. 337-TA-1494

ITC Investigation of TOPCon Solar Cell Patent Infringement Involving Major OEMs

Buyer

INTERNATIONAL TRADE COMMISSION, UNITED STATES

Posted

March 30, 2026

Identifier

Investigation No. 337-TA-1494

NAICS

541690, 541110

This summary covers the U.S. International Trade Commission's institution of an investigation into alleged patent infringement involving TOPCon solar cells, modules, panels, and related products: - Government Buyer - U.S. International Trade Commission (ITC) - Office of Unfair Import Investigations - Complainant - First Solar, Inc. (Phoenix, Arizona) - OEMs and Vendors Named as Respondents - AXITEC - Canadian Solar - JA Solar - JinkoSolar - Adani Green Energy - Philadelphia Solar - Hanwha Q CELLS - Jiangsu Runergy - Trina Solar - T1 Energy - VSUN Solar - Toyo Solar - Vietnam Sunergy - (Additional international manufacturers and distributors may be involved) - Products/Services Under Investigation - Tunnel Oxide Passivated Contact (TOPCon) solar cells - Solar modules and panels containing TOPCon solar cells - No specific part numbers or quantities are listed; the investigation covers all relevant products alleged to infringe U.S. Patent No. 9,130,074 - Unique or Notable Requirements - The investigation is not a procurement or purchase request, but a legal action to determine patent infringement - The ITC may issue general or limited exclusion orders and cease and desist orders against infringing imports and sales - The scope is limited to products containing TOPCon solar cell technology - Place of Performance / Relevant Locations - U.S. International Trade Commission Headquarters, 500 E Street SW, Washington, DC 20436

Description

This notice announces that a complaint was filed with the U.S. International Trade Commission by First Solar, Inc. alleging violations of section 337 of the Tariff Act of 1930 related to the importation, sale for importation, and sale within the United States of certain TOPCon solar cells, modules, panels, components thereof, and products containing the same. The complaint alleges infringement of U.S. Patent No. 9,130,074 and claims that a domestic industry exists or is being established. The complainant requests the Commission to institute an investigation and potentially issue exclusion and cease and desist orders.

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